David Stewart
29Patents
7h-index
14Co-inventors
66Inventor score
Filing activity: Jul 3, 1975 → Nov 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9039999B2 | Apparatus, system, and method for collecting a target material | Emerging Cross-Sectional Technologies | 24 | Active |
| US5572381A | Mechanical power transmission for a simplified video cassette recorder apparatus | Physics | 15 | Expired |
| US4022478A | Push-button video disc hub | Physics | 13 | Expired |
| US9513291B2 | Apparatus, system, and method for collecting a target material | Electricity | 13 | Active |
| US9492819B2 | Apparatus, system, and method for collecting a target material | Emerging Cross-Sectional Technologies | 10 | Active |
| US9541481B2 | Apparatus, system, and method for collecting a target material | Electricity | 10 | Active |
| US4253717A | CRT Socket | Electricity | 7 | Expired |
| US9857580B2 | Apparatus for holding a substrate within a secondary device | Physics | 5 | Active |
| US5579597A | Combined door and display panel for consumer electronics products | Physics | 4 | Expired |
| US9945839B2 | Apparatus, system, and method for collecting a target material | Emerging Cross-Sectional Technologies | 3 | Active |
| US11422352B2 | Automated substrate loading | Physics | 2 | Active |
| US8448078B2 | Method and apparatus for selection of default media based on media size in an image production device | Physics | 1 | Active |
| US10802260B2 | Automated substrate loading | Physics | 1 | Active |
| US11237377B2 | Apparatus for holding a substrate within a secondary device | Physics | 1 | Active |
| US8123213B2 | Sheet size detection device | Performing Operations; Transporting | 1 | Active |
| US8446643B2 | Method and apparatus for detecting a size and shape of media on which image data is to be printed in an image production device | Electricity | 1 | Active |
| US10890748B2 | Automated substrate loading | Physics | 1 | Active |
| US8339618B2 | Method and apparatus for confirming attributes of media loaded in a media tray in an image production device | Physics | 1 | Active |
| US11300769B2 | Automated substrate loading | Physics | 0 | Active |
| US11719929B2 | Optical trains for imaging systems and spectral edge detection | Physics | 0 | Active |
| US9121798B2 | Apparatus for spreading a fluid across a substrate and method of using the same | Performing Operations; Transporting | 0 | Active |
| US12327971B2 | Light bulb and power adapter combination having an Edison screw | Electricity | 0 | Active |
| US11573415B2 | Device, system, and method for changing angle of incidence of a filter or filter wheel | Physics | 0 | Active |
| US10018538B2 | Apparatus for spreading a fluid across a substrate and method of using the same | Performing Operations; Transporting | 0 | Active |
| US9533303B2 | Apparatus, system, and method for collecting a target material | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.